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參數資料
| 型號： | DS1244YP-70 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| 封裝： | POWERCAP MODULE-34 |
| 文件頁數： | 1/19頁 |
| 文件大小： | 351K |
| 代理商： | DS1244YP-70 |
1 of 19
REV: 070705
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
Real-Time Clock (RTC) Keeps Track of
Hundredths of Seconds, Minutes, Hours,
Days, Date of the Month, Months, and Years
32k x 8 NV SRAM Directly Replaces
Volatile Static RAM or EEPROM
Embedded Lithium Energy Cell Maintains
Calendar Operation and Retains RAM Data
Watch Function is Transparent to RAM
Operation
Month and Year Determine the Number of
Days in Each Month; Valid Up to 2100
Full 10% Operating Range
Operating Temperature Range: 0
C to +70C
Over 10 Years of Data Retention in the
Absence of Power
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until
Power is Applied for the First Time
DIP Module Only
Standard 28-Pin JEDEC Pinout
PowerCap Module Board Only
– Surface Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
– Replaceable Battery (PowerCap)
– Pin-for-Pin Compatible with DS1248P
and DS1251P
Underwriters Laboratory (UL) Recognized
(www.maxim-ic.com/qa/info/ul)
Available in Lead-Free Package
PIN CONFIGURATIONS
DS1244/DS1244P
256k NV SRAM
with Phantom Clock
www.maxim-ic.com
EDIP Module
(740 mils)
VCC
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ3
DQ4
1
2
3
4
5
6
7
8
9
10
11
12
14
13
28
27
26
25
24
23
22
21
20
19
18
17
15
16
A14/RST
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
GND
DQ2
3
N.C.
WE
CE
DQ7
DQ6
DQ4
DQ3
DQ1
DQ0
4
6
7
8
10
11
12
14
15
16
N.C.
33
32
31
29
27
25
24
22
21
20
18
A12
A11
A9
A8
A6
A5
A2
A4
A0
1
VCC
28
A1
RST
2
N.C.
OE
DQ5
DQ2
GND
5
9
13
17
A14
30
26
23
19
A13
A10
A7
A3
34
N.C.
X1
GND VBAT
X2
PowerCap Module
(Uses DS9034PCX PowerCap)
TOP VIEW
DS1244P
DS1244
PowerCap is a registered trademark of Maxim Integrated Products, Inc..
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1244YP-70+ | 功能描述:實時時鐘 256k NV SRAM w/Phantom Clock RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS-1244ZJ | 制造商:Hikvision USA 功能描述:DOME CAM CEILING TRIM BRACKET4.75IN X .95IN 制造商:HIKVISION 功能描述:DOME CAM CEILING TRIM BRACKET 4.75IN X .95IN |
| DS1245 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V 1024k Nonvolatile SRAM |
| DS1245AB | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1024k Nonvolatile SRAM |
| DS1245AB-100 | 功能描述:NVRAM 1024K SRAM Nonvolatile RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
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